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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
<FONT color="green">003</FONT>     * contributor license agreements.  See the NOTICE file distributed with<a name="line.3"></a>
<FONT color="green">004</FONT>     * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<FONT color="green">005</FONT>     * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
<FONT color="green">006</FONT>     * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<FONT color="green">007</FONT>     * the License.  You may obtain a copy of the License at<a name="line.7"></a>
<FONT color="green">008</FONT>     *<a name="line.8"></a>
<FONT color="green">009</FONT>     *      http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<FONT color="green">010</FONT>     *<a name="line.10"></a>
<FONT color="green">011</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<FONT color="green">012</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<FONT color="green">013</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<FONT color="green">014</FONT>     * See the License for the specific language governing permissions and<a name="line.14"></a>
<FONT color="green">015</FONT>     * limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>    package org.apache.commons.math.optimization.linear;<a name="line.18"></a>
<FONT color="green">019</FONT>    <a name="line.19"></a>
<FONT color="green">020</FONT>    import java.io.IOException;<a name="line.20"></a>
<FONT color="green">021</FONT>    import java.io.ObjectInputStream;<a name="line.21"></a>
<FONT color="green">022</FONT>    import java.io.ObjectOutputStream;<a name="line.22"></a>
<FONT color="green">023</FONT>    import java.io.Serializable;<a name="line.23"></a>
<FONT color="green">024</FONT>    <a name="line.24"></a>
<FONT color="green">025</FONT>    import org.apache.commons.math.linear.MatrixUtils;<a name="line.25"></a>
<FONT color="green">026</FONT>    import org.apache.commons.math.linear.RealVector;<a name="line.26"></a>
<FONT color="green">027</FONT>    import org.apache.commons.math.linear.ArrayRealVector;<a name="line.27"></a>
<FONT color="green">028</FONT>    <a name="line.28"></a>
<FONT color="green">029</FONT>    <a name="line.29"></a>
<FONT color="green">030</FONT>    /**<a name="line.30"></a>
<FONT color="green">031</FONT>     * A linear constraint for a linear optimization problem.<a name="line.31"></a>
<FONT color="green">032</FONT>     * &lt;p&gt;<a name="line.32"></a>
<FONT color="green">033</FONT>     * A linear constraint has one of the forms:<a name="line.33"></a>
<FONT color="green">034</FONT>     * &lt;ul&gt;<a name="line.34"></a>
<FONT color="green">035</FONT>     *   &lt;li&gt;c&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... c&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; = v&lt;/li&gt;<a name="line.35"></a>
<FONT color="green">036</FONT>     *   &lt;li&gt;c&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... c&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; &amp;lt;= v&lt;/li&gt;<a name="line.36"></a>
<FONT color="green">037</FONT>     *   &lt;li&gt;c&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... c&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; &gt;= v&lt;/li&gt;<a name="line.37"></a>
<FONT color="green">038</FONT>     *   &lt;li&gt;l&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... l&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; + l&lt;sub&gt;cst&lt;/sub&gt; =<a name="line.38"></a>
<FONT color="green">039</FONT>     *       r&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... r&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; + r&lt;sub&gt;cst&lt;/sub&gt;&lt;/li&gt;<a name="line.39"></a>
<FONT color="green">040</FONT>     *   &lt;li&gt;l&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... l&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; + l&lt;sub&gt;cst&lt;/sub&gt; &amp;lt;=<a name="line.40"></a>
<FONT color="green">041</FONT>     *       r&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... r&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; + r&lt;sub&gt;cst&lt;/sub&gt;&lt;/li&gt;<a name="line.41"></a>
<FONT color="green">042</FONT>     *   &lt;li&gt;l&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... l&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; + l&lt;sub&gt;cst&lt;/sub&gt; &gt;=<a name="line.42"></a>
<FONT color="green">043</FONT>     *       r&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... r&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; + r&lt;sub&gt;cst&lt;/sub&gt;&lt;/li&gt;<a name="line.43"></a>
<FONT color="green">044</FONT>     * &lt;/ul&gt;<a name="line.44"></a>
<FONT color="green">045</FONT>     * The c&lt;sub&gt;i&lt;/sub&gt;, l&lt;sub&gt;i&lt;/sub&gt; or r&lt;sub&gt;i&lt;/sub&gt; are the coefficients of the constraints, the x&lt;sub&gt;i&lt;/sub&gt;<a name="line.45"></a>
<FONT color="green">046</FONT>     * are the coordinates of the current point and v is the value of the constraint.<a name="line.46"></a>
<FONT color="green">047</FONT>     * &lt;/p&gt;<a name="line.47"></a>
<FONT color="green">048</FONT>     * @version $Revision: 922713 $ $Date: 2010-03-14 02:26:13 +0100 (dim. 14 mars 2010) $<a name="line.48"></a>
<FONT color="green">049</FONT>     * @since 2.0<a name="line.49"></a>
<FONT color="green">050</FONT>     */<a name="line.50"></a>
<FONT color="green">051</FONT>    public class LinearConstraint implements Serializable {<a name="line.51"></a>
<FONT color="green">052</FONT>    <a name="line.52"></a>
<FONT color="green">053</FONT>        /** Serializable version identifier. */<a name="line.53"></a>
<FONT color="green">054</FONT>        private static final long serialVersionUID = -764632794033034092L;<a name="line.54"></a>
<FONT color="green">055</FONT>    <a name="line.55"></a>
<FONT color="green">056</FONT>        /** Coefficients of the constraint (left hand side). */<a name="line.56"></a>
<FONT color="green">057</FONT>        private final transient RealVector coefficients;<a name="line.57"></a>
<FONT color="green">058</FONT>    <a name="line.58"></a>
<FONT color="green">059</FONT>        /** Relationship between left and right hand sides (=, &amp;lt;=, &gt;=). */<a name="line.59"></a>
<FONT color="green">060</FONT>        private final Relationship relationship;<a name="line.60"></a>
<FONT color="green">061</FONT>    <a name="line.61"></a>
<FONT color="green">062</FONT>        /** Value of the constraint (right hand side). */<a name="line.62"></a>
<FONT color="green">063</FONT>        private final double value;<a name="line.63"></a>
<FONT color="green">064</FONT>    <a name="line.64"></a>
<FONT color="green">065</FONT>        /**<a name="line.65"></a>
<FONT color="green">066</FONT>         * Build a constraint involving a single linear equation.<a name="line.66"></a>
<FONT color="green">067</FONT>         * &lt;p&gt;<a name="line.67"></a>
<FONT color="green">068</FONT>         * A linear constraint with a single linear equation has one of the forms:<a name="line.68"></a>
<FONT color="green">069</FONT>         * &lt;ul&gt;<a name="line.69"></a>
<FONT color="green">070</FONT>         *   &lt;li&gt;c&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... c&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; = v&lt;/li&gt;<a name="line.70"></a>
<FONT color="green">071</FONT>         *   &lt;li&gt;c&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... c&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; &amp;lt;= v&lt;/li&gt;<a name="line.71"></a>
<FONT color="green">072</FONT>         *   &lt;li&gt;c&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... c&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; &gt;= v&lt;/li&gt;<a name="line.72"></a>
<FONT color="green">073</FONT>         * &lt;/ul&gt;<a name="line.73"></a>
<FONT color="green">074</FONT>         * &lt;/p&gt;<a name="line.74"></a>
<FONT color="green">075</FONT>         * @param coefficients The coefficients of the constraint (left hand side)<a name="line.75"></a>
<FONT color="green">076</FONT>         * @param relationship The type of (in)equality used in the constraint<a name="line.76"></a>
<FONT color="green">077</FONT>         * @param value The value of the constraint (right hand side)<a name="line.77"></a>
<FONT color="green">078</FONT>         */<a name="line.78"></a>
<FONT color="green">079</FONT>        public LinearConstraint(final double[] coefficients, final Relationship relationship,<a name="line.79"></a>
<FONT color="green">080</FONT>                                final double value) {<a name="line.80"></a>
<FONT color="green">081</FONT>            this(new ArrayRealVector(coefficients), relationship, value);<a name="line.81"></a>
<FONT color="green">082</FONT>        }<a name="line.82"></a>
<FONT color="green">083</FONT>    <a name="line.83"></a>
<FONT color="green">084</FONT>        /**<a name="line.84"></a>
<FONT color="green">085</FONT>         * Build a constraint involving a single linear equation.<a name="line.85"></a>
<FONT color="green">086</FONT>         * &lt;p&gt;<a name="line.86"></a>
<FONT color="green">087</FONT>         * A linear constraint with a single linear equation has one of the forms:<a name="line.87"></a>
<FONT color="green">088</FONT>         * &lt;ul&gt;<a name="line.88"></a>
<FONT color="green">089</FONT>         *   &lt;li&gt;c&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... c&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; = v&lt;/li&gt;<a name="line.89"></a>
<FONT color="green">090</FONT>         *   &lt;li&gt;c&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... c&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; &amp;lt;= v&lt;/li&gt;<a name="line.90"></a>
<FONT color="green">091</FONT>         *   &lt;li&gt;c&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... c&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; &gt;= v&lt;/li&gt;<a name="line.91"></a>
<FONT color="green">092</FONT>         * &lt;/ul&gt;<a name="line.92"></a>
<FONT color="green">093</FONT>         * &lt;/p&gt;<a name="line.93"></a>
<FONT color="green">094</FONT>         * @param coefficients The coefficients of the constraint (left hand side)<a name="line.94"></a>
<FONT color="green">095</FONT>         * @param relationship The type of (in)equality used in the constraint<a name="line.95"></a>
<FONT color="green">096</FONT>         * @param value The value of the constraint (right hand side)<a name="line.96"></a>
<FONT color="green">097</FONT>         */<a name="line.97"></a>
<FONT color="green">098</FONT>        public LinearConstraint(final RealVector coefficients, final Relationship relationship,<a name="line.98"></a>
<FONT color="green">099</FONT>                                final double value) {<a name="line.99"></a>
<FONT color="green">100</FONT>            this.coefficients = coefficients;<a name="line.100"></a>
<FONT color="green">101</FONT>            this.relationship = relationship;<a name="line.101"></a>
<FONT color="green">102</FONT>            this.value        = value;<a name="line.102"></a>
<FONT color="green">103</FONT>        }<a name="line.103"></a>
<FONT color="green">104</FONT>    <a name="line.104"></a>
<FONT color="green">105</FONT>        /**<a name="line.105"></a>
<FONT color="green">106</FONT>         * Build a constraint involving two linear equations.<a name="line.106"></a>
<FONT color="green">107</FONT>         * &lt;p&gt;<a name="line.107"></a>
<FONT color="green">108</FONT>         * A linear constraint with two linear equation has one of the forms:<a name="line.108"></a>
<FONT color="green">109</FONT>         * &lt;ul&gt;<a name="line.109"></a>
<FONT color="green">110</FONT>         *   &lt;li&gt;l&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... l&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; + l&lt;sub&gt;cst&lt;/sub&gt; =<a name="line.110"></a>
<FONT color="green">111</FONT>         *       r&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... r&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; + r&lt;sub&gt;cst&lt;/sub&gt;&lt;/li&gt;<a name="line.111"></a>
<FONT color="green">112</FONT>         *   &lt;li&gt;l&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... l&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; + l&lt;sub&gt;cst&lt;/sub&gt; &amp;lt;=<a name="line.112"></a>
<FONT color="green">113</FONT>         *       r&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... r&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; + r&lt;sub&gt;cst&lt;/sub&gt;&lt;/li&gt;<a name="line.113"></a>
<FONT color="green">114</FONT>         *   &lt;li&gt;l&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... l&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; + l&lt;sub&gt;cst&lt;/sub&gt; &gt;=<a name="line.114"></a>
<FONT color="green">115</FONT>         *       r&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... r&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; + r&lt;sub&gt;cst&lt;/sub&gt;&lt;/li&gt;<a name="line.115"></a>
<FONT color="green">116</FONT>         * &lt;/ul&gt;<a name="line.116"></a>
<FONT color="green">117</FONT>         * &lt;/p&gt;<a name="line.117"></a>
<FONT color="green">118</FONT>         * @param lhsCoefficients The coefficients of the linear expression on the left hand side of the constraint<a name="line.118"></a>
<FONT color="green">119</FONT>         * @param lhsConstant The constant term of the linear expression on the left hand side of the constraint<a name="line.119"></a>
<FONT color="green">120</FONT>         * @param relationship The type of (in)equality used in the constraint<a name="line.120"></a>
<FONT color="green">121</FONT>         * @param rhsCoefficients The coefficients of the linear expression on the right hand side of the constraint<a name="line.121"></a>
<FONT color="green">122</FONT>         * @param rhsConstant The constant term of the linear expression on the right hand side of the constraint<a name="line.122"></a>
<FONT color="green">123</FONT>         */<a name="line.123"></a>
<FONT color="green">124</FONT>        public LinearConstraint(final double[] lhsCoefficients, final double lhsConstant,<a name="line.124"></a>
<FONT color="green">125</FONT>                                final Relationship relationship,<a name="line.125"></a>
<FONT color="green">126</FONT>                                final double[] rhsCoefficients, final double rhsConstant) {<a name="line.126"></a>
<FONT color="green">127</FONT>            double[] sub = new double[lhsCoefficients.length];<a name="line.127"></a>
<FONT color="green">128</FONT>            for (int i = 0; i &lt; sub.length; ++i) {<a name="line.128"></a>
<FONT color="green">129</FONT>                sub[i] = lhsCoefficients[i] - rhsCoefficients[i];<a name="line.129"></a>
<FONT color="green">130</FONT>            }<a name="line.130"></a>
<FONT color="green">131</FONT>            this.coefficients = new ArrayRealVector(sub, false);<a name="line.131"></a>
<FONT color="green">132</FONT>            this.relationship = relationship;<a name="line.132"></a>
<FONT color="green">133</FONT>            this.value        = rhsConstant - lhsConstant;<a name="line.133"></a>
<FONT color="green">134</FONT>        }<a name="line.134"></a>
<FONT color="green">135</FONT>    <a name="line.135"></a>
<FONT color="green">136</FONT>        /**<a name="line.136"></a>
<FONT color="green">137</FONT>         * Build a constraint involving two linear equations.<a name="line.137"></a>
<FONT color="green">138</FONT>         * &lt;p&gt;<a name="line.138"></a>
<FONT color="green">139</FONT>         * A linear constraint with two linear equation has one of the forms:<a name="line.139"></a>
<FONT color="green">140</FONT>         * &lt;ul&gt;<a name="line.140"></a>
<FONT color="green">141</FONT>         *   &lt;li&gt;l&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... l&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; + l&lt;sub&gt;cst&lt;/sub&gt; =<a name="line.141"></a>
<FONT color="green">142</FONT>         *       r&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... r&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; + r&lt;sub&gt;cst&lt;/sub&gt;&lt;/li&gt;<a name="line.142"></a>
<FONT color="green">143</FONT>         *   &lt;li&gt;l&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... l&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; + l&lt;sub&gt;cst&lt;/sub&gt; &amp;lt;=<a name="line.143"></a>
<FONT color="green">144</FONT>         *       r&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... r&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; + r&lt;sub&gt;cst&lt;/sub&gt;&lt;/li&gt;<a name="line.144"></a>
<FONT color="green">145</FONT>         *   &lt;li&gt;l&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... l&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; + l&lt;sub&gt;cst&lt;/sub&gt; &gt;=<a name="line.145"></a>
<FONT color="green">146</FONT>         *       r&lt;sub&gt;1&lt;/sub&gt;x&lt;sub&gt;1&lt;/sub&gt; + ... r&lt;sub&gt;n&lt;/sub&gt;x&lt;sub&gt;n&lt;/sub&gt; + r&lt;sub&gt;cst&lt;/sub&gt;&lt;/li&gt;<a name="line.146"></a>
<FONT color="green">147</FONT>         * &lt;/ul&gt;<a name="line.147"></a>
<FONT color="green">148</FONT>         * &lt;/p&gt;<a name="line.148"></a>
<FONT color="green">149</FONT>         * @param lhsCoefficients The coefficients of the linear expression on the left hand side of the constraint<a name="line.149"></a>
<FONT color="green">150</FONT>         * @param lhsConstant The constant term of the linear expression on the left hand side of the constraint<a name="line.150"></a>
<FONT color="green">151</FONT>         * @param relationship The type of (in)equality used in the constraint<a name="line.151"></a>
<FONT color="green">152</FONT>         * @param rhsCoefficients The coefficients of the linear expression on the right hand side of the constraint<a name="line.152"></a>
<FONT color="green">153</FONT>         * @param rhsConstant The constant term of the linear expression on the right hand side of the constraint<a name="line.153"></a>
<FONT color="green">154</FONT>         */<a name="line.154"></a>
<FONT color="green">155</FONT>        public LinearConstraint(final RealVector lhsCoefficients, final double lhsConstant,<a name="line.155"></a>
<FONT color="green">156</FONT>                                final Relationship relationship,<a name="line.156"></a>
<FONT color="green">157</FONT>                                final RealVector rhsCoefficients, final double rhsConstant) {<a name="line.157"></a>
<FONT color="green">158</FONT>            this.coefficients = lhsCoefficients.subtract(rhsCoefficients);<a name="line.158"></a>
<FONT color="green">159</FONT>            this.relationship = relationship;<a name="line.159"></a>
<FONT color="green">160</FONT>            this.value        = rhsConstant - lhsConstant;<a name="line.160"></a>
<FONT color="green">161</FONT>        }<a name="line.161"></a>
<FONT color="green">162</FONT>    <a name="line.162"></a>
<FONT color="green">163</FONT>        /**<a name="line.163"></a>
<FONT color="green">164</FONT>         * Get the coefficients of the constraint (left hand side).<a name="line.164"></a>
<FONT color="green">165</FONT>         * @return coefficients of the constraint (left hand side)<a name="line.165"></a>
<FONT color="green">166</FONT>         */<a name="line.166"></a>
<FONT color="green">167</FONT>        public RealVector getCoefficients() {<a name="line.167"></a>
<FONT color="green">168</FONT>            return coefficients;<a name="line.168"></a>
<FONT color="green">169</FONT>        }<a name="line.169"></a>
<FONT color="green">170</FONT>    <a name="line.170"></a>
<FONT color="green">171</FONT>        /**<a name="line.171"></a>
<FONT color="green">172</FONT>         * Get the relationship between left and right hand sides.<a name="line.172"></a>
<FONT color="green">173</FONT>         * @return relationship between left and right hand sides<a name="line.173"></a>
<FONT color="green">174</FONT>         */<a name="line.174"></a>
<FONT color="green">175</FONT>        public Relationship getRelationship() {<a name="line.175"></a>
<FONT color="green">176</FONT>            return relationship;<a name="line.176"></a>
<FONT color="green">177</FONT>        }<a name="line.177"></a>
<FONT color="green">178</FONT>    <a name="line.178"></a>
<FONT color="green">179</FONT>        /**<a name="line.179"></a>
<FONT color="green">180</FONT>         * Get the value of the constraint (right hand side).<a name="line.180"></a>
<FONT color="green">181</FONT>         * @return value of the constraint (right hand side)<a name="line.181"></a>
<FONT color="green">182</FONT>         */<a name="line.182"></a>
<FONT color="green">183</FONT>        public double getValue() {<a name="line.183"></a>
<FONT color="green">184</FONT>            return value;<a name="line.184"></a>
<FONT color="green">185</FONT>        }<a name="line.185"></a>
<FONT color="green">186</FONT>    <a name="line.186"></a>
<FONT color="green">187</FONT>        /** {@inheritDoc} */<a name="line.187"></a>
<FONT color="green">188</FONT>        @Override<a name="line.188"></a>
<FONT color="green">189</FONT>        public boolean equals(Object other) {<a name="line.189"></a>
<FONT color="green">190</FONT>    <a name="line.190"></a>
<FONT color="green">191</FONT>          if (this == other) {<a name="line.191"></a>
<FONT color="green">192</FONT>            return true;<a name="line.192"></a>
<FONT color="green">193</FONT>          }<a name="line.193"></a>
<FONT color="green">194</FONT>    <a name="line.194"></a>
<FONT color="green">195</FONT>          if (other instanceof LinearConstraint) {<a name="line.195"></a>
<FONT color="green">196</FONT>              LinearConstraint rhs = (LinearConstraint) other;<a name="line.196"></a>
<FONT color="green">197</FONT>              return (relationship == rhs.relationship) &amp;&amp;<a name="line.197"></a>
<FONT color="green">198</FONT>                     (value        == rhs.value) &amp;&amp;<a name="line.198"></a>
<FONT color="green">199</FONT>                     coefficients.equals(rhs.coefficients);<a name="line.199"></a>
<FONT color="green">200</FONT>          }<a name="line.200"></a>
<FONT color="green">201</FONT>          return false;<a name="line.201"></a>
<FONT color="green">202</FONT>        }<a name="line.202"></a>
<FONT color="green">203</FONT>    <a name="line.203"></a>
<FONT color="green">204</FONT>        /** {@inheritDoc} */<a name="line.204"></a>
<FONT color="green">205</FONT>        @Override<a name="line.205"></a>
<FONT color="green">206</FONT>        public int hashCode() {<a name="line.206"></a>
<FONT color="green">207</FONT>            return relationship.hashCode() ^<a name="line.207"></a>
<FONT color="green">208</FONT>                   Double.valueOf(value).hashCode() ^<a name="line.208"></a>
<FONT color="green">209</FONT>                   coefficients.hashCode();<a name="line.209"></a>
<FONT color="green">210</FONT>        }<a name="line.210"></a>
<FONT color="green">211</FONT>    <a name="line.211"></a>
<FONT color="green">212</FONT>        /** Serialize the instance.<a name="line.212"></a>
<FONT color="green">213</FONT>         * @param oos stream where object should be written<a name="line.213"></a>
<FONT color="green">214</FONT>         * @throws IOException if object cannot be written to stream<a name="line.214"></a>
<FONT color="green">215</FONT>         */<a name="line.215"></a>
<FONT color="green">216</FONT>        private void writeObject(ObjectOutputStream oos)<a name="line.216"></a>
<FONT color="green">217</FONT>            throws IOException {<a name="line.217"></a>
<FONT color="green">218</FONT>            oos.defaultWriteObject();<a name="line.218"></a>
<FONT color="green">219</FONT>            MatrixUtils.serializeRealVector(coefficients, oos);<a name="line.219"></a>
<FONT color="green">220</FONT>        }<a name="line.220"></a>
<FONT color="green">221</FONT>    <a name="line.221"></a>
<FONT color="green">222</FONT>        /** Deserialize the instance.<a name="line.222"></a>
<FONT color="green">223</FONT>         * @param ois stream from which the object should be read<a name="line.223"></a>
<FONT color="green">224</FONT>         * @throws ClassNotFoundException if a class in the stream cannot be found<a name="line.224"></a>
<FONT color="green">225</FONT>         * @throws IOException if object cannot be read from the stream<a name="line.225"></a>
<FONT color="green">226</FONT>         */<a name="line.226"></a>
<FONT color="green">227</FONT>        private void readObject(ObjectInputStream ois)<a name="line.227"></a>
<FONT color="green">228</FONT>          throws ClassNotFoundException, IOException {<a name="line.228"></a>
<FONT color="green">229</FONT>            ois.defaultReadObject();<a name="line.229"></a>
<FONT color="green">230</FONT>            MatrixUtils.deserializeRealVector(this, "coefficients", ois);<a name="line.230"></a>
<FONT color="green">231</FONT>        }<a name="line.231"></a>
<FONT color="green">232</FONT>    <a name="line.232"></a>
<FONT color="green">233</FONT>    }<a name="line.233"></a>




























































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